BUD was a counterinsurgent/security officer in his first go-round.
His skills were geared toward breaking & installing
computer/shipboard defenses (including locks/security codes/command
infringements, electronic forgery etc.)
In addition, his military training was for small-unit, commando tactics/weaponry.
His group was often undercover to pre-empt unruly passenger
organization or mutinous crewmembers.